diff --git a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/charts/AbstractWeekChartFragment.java b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/charts/AbstractWeekChartFragment.java
index 34bebe755..f376b7625 100644
--- a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/charts/AbstractWeekChartFragment.java
+++ b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/charts/AbstractWeekChartFragment.java
@@ -130,7 +130,27 @@ public abstract class AbstractWeekChartFragment extends AbstractChartFragment {
         barChart.getAxisLeft().removeAllLimitLines();
         barChart.getAxisLeft().addLimitLine(target);
 
-        return new WeekChartsData(barData, new PreformattedXIndexLabelFormatter(labels), getBalanceMessage(balance, mTargetValue));
+        float average = 0;
+        if (TOTAL_DAYS > 0) {
+            average = Math.abs(balance / TOTAL_DAYS);
+        }
+        LimitLine average_line = new LimitLine(average);
+        average_line.setLabel(getString(R.string.average, average));
+
+        if (average > (mTargetValue)) {
+            average_line.setLineColor(Color.GREEN);
+            average_line.setTextColor(Color.GREEN);
+        }
+        else {
+            average_line.setLineColor(Color.RED);
+            average_line.setTextColor(Color.RED);
+        }
+        if (average > 0) {
+            barChart.getAxisLeft().addLimitLine(average_line);
+        }
+
+
+            return new WeekChartsData(barData, new PreformattedXIndexLabelFormatter(labels), getBalanceMessage(balance, mTargetValue));
     }
 
     private DayData refreshDayPie(DBHandler db, Calendar day, GBDevice device) {
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 76f10ad5d..e9dfb49af 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -417,6 +417,7 @@
     <string name="weeksteps_today_steps_description">Steps today, target: %1$s</string>
     <string name="lack_of_step">Lack of steps: %1$d</string>
     <string name="overstep">Overstep: %1$d</string>
+    <string name="average">Average: %1$.0f</string>
     <string name="pref_title_dont_ack_transfer">Do not ACK activity data transfer</string>
     <string name="pref_summary_dont_ack_transfers">If the activity data are not acked to the band, they will not be cleared. Useful if GB is used together with other apps.</string>
     <string name="pref_summary_keep_data_on_device">Will keep activity data on the Mi Band even after synchronization. Useful if GB is used together with other apps.</string>